Human sperm cells and egg cells are (2 points) haploid, each containing 23 chromosomes. haploid, each containing 46 chromosomes. diploid, each containing 23 chromosomes. diploid, each containing 46 chromosomes.

Human sperm cells and egg cells are called haploid, each containing 23 chromosomes

Haploid refers to a cell that contains a set of chromosomes. Haploid cell only comprise half the number of chromosomes that are present in diploids.

Haploid also means the number of chromosomes in sperm cells or egg cells, which are termed gametes. Basically, in humans, gametes are haploid cells that contain 23 chromosomes, each of which is one of a chromosome pair that exists in diploid cells. Haploid means "half."

The combination of sperm cells and egg cells is known as Diploid which has 46 chromosomes collectively. Gametes have half the chromosomes present in normal diploid cells of the body, which are termed as somatic cells.

The production of Haploid gametes occur during the process known as Meiosis, which is also process of dividing a single cell into two parts, and subsequently producing four cells. And Meiosis occurs when it is time for the reproduction of an organism.

With only a few exceptions, cells in a human body in a lifespan are diploid. During the production of a child, the child’s parents produce haploid cells, the combination of the cells produce the first cell of the child’s body.

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1. a tropical dry forest carries out more rapid nutrient cycling

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).